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Current Appointments & Affiliations


Professor of Pediatrics · 2021 - Present Pediatrics, Gastroenterology, Hepatology and Nutrition, Pediatrics
Chief of the Division of Pediatric Gastroenterology & Nutrition · 2014 - Present Pediatrics, Gastroenterology, Hepatology and Nutrition, Pediatrics

Recent Publications


A US-Based Consensus on Diagnostic Overlap and Distinction for Pediatric Feeding Disorder and Avoidant/Restrictive Food Intake Disorder.

Journal Article Int J Eat Disord · March 2025 OBJECTIVE: As diagnoses covering dysfunctional feeding and eating in pediatrics, avoidant/restrictive food intake disorder (ARFID) and pediatric feeding disorder (PFD) contain inherent areas of overlap in their diagnostic criteria. Areas of overlap include ... Full text Link to item Cite

Avoidant restrictive food intake disorder and pediatric feeding disorder: the pediatric gastroenterology perspective.

Journal Article Curr Opin Pediatr · October 1, 2023 PURPOSE OF REVIEW: Avoidant/restrictive food intake disorder (ARFID) and pediatric feeding disorder (PFD) are the newest evolutions of frameworks for dysfunctional feeding and share overlapping features but maintain notable differences. This review will co ... Full text Link to item Cite

Electrocardiogram Before Tricyclic Antidepressant Use: Minimal Impact in Pediatric Functional Gastrointestinal Disorders.

Journal Article J Pediatr Gastroenterol Nutr · October 1, 2021 OBJECTIVES: The aim of this study was to determine the effect of electrocardiogram (ECG) findings on the initiation of tricyclic antidepressants (TCAs) for functional gastrointestinal disorders (FGIDs) and to evaluate cardiac outcomes related to low dose T ... Full text Link to item Cite
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Recent Grants


An Invitation to Support the Division of Pediatric Gastroenterology, Hepatology & Nutrition

ResearchPrincipal Investigator · Awarded by Mario Family Foundation · 2022 - 2026

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Education, Training & Certifications


University of Texas Southwestern Medical Center, Medical School · 1998 Ph.D.
University of Texas Southwestern Medical Center, Medical School · 1998 M.D.